CheckMK Setup Guide For AlmaLinux 9 / Rocky Linux 9

This guide intends to teach you CheckMK Installation and Configuration Setup on AlmaLinux 9 / Rocky Linux 9. CheckMK is an open-source monitoring tool used for monitoring the performance and health of IT infrastructure, including servers, networks, applications, and services. It offers a comprehensive set of features designed to simplify the monitoring process. The key features including:

  • Flexible Monitoring
  • Agent-based and Agentless Monitoring
  • Automatic Discovery
  • Rich Visualization and Dashboards
  • Alerting and Notification
  • Performance Analysis and Trending
  • Integration with Other Tools

Step-By-Step CheckMK Setup Guide For AlmaLinux 9 / Rocky Linux 9

At this point, you need to log in to your AlmaLinux 9 or Rocky Linux 9 as a non-root user with sudo privileges. For this purpose, you can check the following initial setup guides:

Initial Server Setup with AlmaLinux 9

Initial Server Setup with Rocky Linux 9

Also, you need to disable SELinux on your server. To do this, you can check:

Disable SELinux on AlmaLinux

Now proceed to the following steps to complete this guide. Here to show you the setup steps, we use AlmaLinux 9.

Step 1 – Install Required Packages For CheckMK Setup

First, you need to run the system update with the command below:

sudo dnf update -y

Then, install PowerTools on your server with the following command:

sudo dnf config-manager --set-enabled crb

Next, install the Epel repository by using the following command:

sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm

Step 2 – Latest CheckMK Setup on AlmaLinux 9 / Rocky Linux 9

At this point, you can visit the downloads page and get the latest Raw Edition RPM package on your server. The raw edition is the open-source version. To do this, use the following wget command:

sudo wget https://download.checkmk.com/checkmk/2.2.0p21/check-mk-raw-2.2.0p21-el9-38.x86_64.rpm

Once your download is completed, run the command below to install your RPM package:

sudo dnf install check-mk-raw-2.2.0p21-el9-38.x86_64.rpm

Then, you can verify your CheckMK installation on your Rocky Linux 9 / AlmaLinux 9 with the command below:

omd version
Exmaple Output
OMD - Open Monitoring Distribution Version 2.2.0p21.cre

Step 3 – Set up CheckMK Monitoring Site

At this point, you need to create a Checkmk monitoring site that can be accessible from the local browser. To do this, you can run the following command:

sudo omd create monitoring

This provides you with a username and password that you can use to log in to the dashboard.

Set up CheckMK Monitoring Site

Then, start your CheckMK monitoring site on AlmaLinux 9 / Rocky Linux 9:

sudo omd start monitoring
Start CheckMK monitoring site

Step 4 – Access CheckMK Dashboard via Web Interface

At this point, you can use the URL you have got from the above steps and enter the username and password to access your CheckMK web interface.

http://server-ip/monitoring
CheckMK Login Screen AlmaLinux 9 / Rocky Linux 9

You should see your main dashboard.

Access CheckMK Dashboard via Web Interface

From there, you can easily monitor your servers, networks, applications, and services.

Conclusion

At this point, you have learned CheckMK Installation and Configuration Setup on AlmaLinux 9 / Rocky Linux 9. It is a powerful monitoring solution that helps organizations ensure the reliability, availability, and performance of their IT infrastructure

Hope you enjoy it. Also, you may like to read the following articles:

Rocky Linux 9 Network Monitoring Using Nagios

Best Linux System Monitoring GUI Tools

The Ultimate smartctl Hard Drive Monitoring Guide on Linux

Install Nagios Monitoring Tool on AlmaLinux 9

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